Published September 15, 1958
| public
Journal Article
Open
Form factors in quantum electrodynamics
- Creators
- Drell, S. D.
- Zachariasen, F.
Chicago
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Abstract
The electromagnetic form factors of an electron in pure quantum electrodynamics are analyzed with the techniques of dispersion relations. The viewpoint is adopted here that no subtractions are required in the construction of dispersion relations for the electromagnetic vertex. This leads to coupled integral equations for the form factors in terms of other physical amplitudes; electron-positron scattering, for example. The relation between this and the usual perturbation approach to quantum electrodynamics, and the validity and consequences of the "no-subtraction" philosophy, are discussed.
Additional Information
©1958 The American Physical Society. Received 19 May 1958. We wish to thank Dr. Marshall Baker for numerous valuable discussions. This research was supported in part by the U.S. Air Force through the Air Force Office of Scientific Research.Files
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- Eprint ID
- 5357
- Resolver ID
- CaltechAUTHORS:DREpr58
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